Classify the input using one of these labels: neutral, positive, and negative. @USAirways big thanks to Yvonne Anthony from the Chairman's desk.  Top tier customer service today.  #outstanding #service &amp; #support.
system
Classify the input using one of these labels: neutral, positive, and negative. @USAirways big thanks to Yvonne Anthony from the Chairman's desk.  Top tier customer service today.  #outstanding #service &amp; #support.
user
positive
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @USAirways big thanks to Yvonne Anthony from the Chairman's desk.  Top tier customer service today.  #outstanding #service &amp; #support.
user
neutral
assistant